Protective fence`s safety device for military zone, has outer winding including wire that carries points and has line for transmitting interrogation signal on wire when wire is not cut and not transmitting signal when wire is cut
The device has an outer winding (1) including a wire (1a) that has a length and carries points (3), and an inner winding (20) including an electric conducting wire and electrically insulated from the outer winding by insulators (21). The wire (1a) includes a line for transmitting an interrogation si...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | The device has an outer winding (1) including a wire (1a) that has a length and carries points (3), and an inner winding (20) including an electric conducting wire and electrically insulated from the outer winding by insulators (21). The wire (1a) includes a line for transmitting an interrogation signal on the wire when the wire is not cut, and not transmitting the signal when the wire is cut. An independent claim is also included for a fence including a safety device.
L'invention concerne un dispositif de sécurité destiné à former un obstacle au passage de personnes dans une clôture, comportant un enroulement (20), intérieur à un enroulement extérieur (1).Suivant l'invention, le fil (1a) de l'enroulement extérieur (1) contient, à l'intérieur d'une enveloppe portant des pointes (3), une ligne apte à transporter un signal d'interrogation et à ne pas transporter ce signal d'interrogation en cas de sectionnement de la ligne. |
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